Q21 Two concentrated conductive spherical shells, the radius of inner is a and bearing auniform charge o,, the radius of outer is b and bearing a uniform charge o,. Find theelectric field everywhere.Q22 Two concentrated conductive spherical shells, the radius of inner shell is a andbearing a uniform charge q, the radius of outer shell is b and bearing a uniform charge-q. Find the electric field everywhere.Q23 Two concentrated conductive cylindrical shells, the radius of inner is a and bearinga uniform charge a,, the radius of outer is b and bearing a uniform charge o,. Find theelectric field outside the shells.Q24 Infinite sheet has a uniform charge density o. Use Gauss law to find the electricfield above the sheet.Q25 A sphere of radius R carries the uniform charge p. Use Gauss law to find theelectric field, then find the electric potential.Q26 The electric field above a circle with radius a carries the uniform charge 2 is givendaby E2. Find the distance that maximizes the electric field.2ɛ, (z' +a'Q27 Can the electric field be non-zero in the center of a circuit carrying a linear chargedensity ? Explain this case.Q28 Two identical spheres of radius R, the first carrying charge q and the second bearingthe charge -3q. The two spheres were joined for a certain period of time and thenseparated. Find the Coulomb force between them.Q29 Two point charges q,-4q separated by the distance d, find the electric field of the

According to gauss law Surface integral of E.dS = charge enclosed /permittivity

Q21 Two concentrated conductive spherical shells, the radius of inner is a and bearing a uniform charge o,, the radius of outer is b and bearing a uniform charge o,. Find the electric field everywhere.

Q21 Two concentrated conductive spherical shells, the radius of inner is a and bearing a uniform charge o,, the radius of outer is b and bearing a uniform charge o,. Find the electric field everywhere.

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Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

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Q21 Two concentrated conductive spherical shells, the radius of inner is a and bearing a
uniform charge o,, the radius of outer is b and bearing a uniform charge o,. Find the
electric field everywhere.
Q22 Two concentrated conductive spherical shells, the radius of inner shell is a and
bearing a uniform charge q, the radius of outer shell is b and bearing a uniform charge
-q. Find the electric field everywhere.
Q23 Two concentrated conductive cylindrical shells, the radius of inner is a and bearing
a uniform charge a,, the radius of outer is b and bearing a uniform charge o,. Find the
electric field outside the shells.
Q24 Infinite sheet has a uniform charge density o. Use Gauss law to find the electric
field above the sheet.
Q25 A sphere of radius R carries the uniform charge p. Use Gauss law to find the
electric field, then find the electric potential.
Q26 The electric field above a circle with radius a carries the uniform charge 2 is given
da
by E
2. Find the distance that maximizes the electric field.
2ɛ, (z' +a'
Q27 Can the electric field be non-zero in the center of a circuit carrying a linear charge
density ? Explain this case.
Q28 Two identical spheres of radius R, the first carrying charge q and the second bearing
the charge -3q. The two spheres were joined for a certain period of time and then
separated. Find the Coulomb force between them.
Q29 Two point charges q,-4q separated by the distance d, find the electric field of the

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